Home / 13,738.59-20,607.89-3,350.34

Finding the Fourth Proportional to 13,738.59, 20,607.89 and 3,350.34

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Solution

The fourth proportional to 13,738.59, 20,607.89 and 3,350.34 is: 5,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.59 : 20,607.89 = 3,350.34 : x
  2. Step 2: Convert to fraction form
    13,738.59/20,607.89 = 3,350.34/x
  3. Step 3: Cross multiply
    13,738.59x = 20,607.89 × 3,350.34
  4. Step 4: Simplify right side
    13,738.59x = 69,043,421.43
  5. Step 5: Solve for x
    x = 69,043,421.43/13,738.59
  6. Step 6: Final answer
    x = 5,025.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.